She is a cold-blooded queen and a high-ranking fifth lady. In an accident, she fell into a crack in the sky and fell to a low-level continent, where she experienced it again. He was a born king and the most respected lord in the demon world. A sporadic fragment made him search for the person in his memory everywhere. When two people meet, what kind of sparks will be created? Who will conquer whom? To be honest, this is actually the story of a cold queen who turns into a funny heroine and then meets a sinister male protagonist.